Home / 86,986.14-130,529.43-47,005.26

Finding the Fourth Proportional to 86,986.14, 130,529.43 and 47,005.26

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Solution

The fourth proportional to 86,986.14, 130,529.43 and 47,005.26 is: 70,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,986.14 : 130,529.43 = 47,005.26 : x
  2. Step 2: Convert to fraction form
    86,986.14/130,529.43 = 47,005.26/x
  3. Step 3: Cross multiply
    86,986.14x = 130,529.43 × 47,005.26
  4. Step 4: Simplify right side
    86,986.14x = 6,135,569,794.80
  5. Step 5: Solve for x
    x = 6,135,569,794.80/86,986.14
  6. Step 6: Final answer
    x = 70,535.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.